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Friday, March 4, 2011

We cannot imagine the world without electric power.Generally the power is transmitted through wires. This paper describes an original idea to eradicate the hazardous usage of electrical wires which involve lot of confusion in particularly organizing them.

Imagine a future in which wireless power transfer is feasible: cell phones, household robots, mp3 players, laptop computers and other portable electronics capable of charging themselves without ever being plugged in, freeing us from that final, ubiquitous power wire. Some of these devices might not even need their bulky batteries to operate.

This paper includes the techniques of transmitting power without using wires with an efficiency of about 95% with non-radiative methods.Due to which it does not effect the environment surrounding.These techniques includes resonating inductive coupling in sustainable moderate range.
The coupling consists of an inductor along with a capacitor with its own resonating frequency. In any system of coupled resonators there often exists a so-called “strongly coupled” regime of operation. If one ensures to operate in that regime in a given system, the energy transfer can be very efficient

Another technique includes transfer of power through microwaves using rectennas.This is particularly suitable for long range distances ranging kilometers.With this we can avoid the confusion and danger of having long,hazardous and tangled wiring.

This paper as a whole gives an effective, high performance techniques which can efficiently transmit the power to the required area varying in distances and input.